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Living Sys Vocab

Words and Definitions for Essential Vocabulary for Living Systems

Cell The basic unit of a living organism. It is composed of organelles that function to allow life.
Nucleus The part of the cell that controls all the activities of the cell.
Cell Wall The part of the cell that gives structure to the cell. It protects the cell. It is not found in animal cells.
Cell Membrane The part of an animal or plant cell that controls what enters or leaves a cell--much like a filter.
choloroplast The part of the plant cell where photosynthesis occurs. This is not found in an animal cell.
Cytoplasm The jelly-like substance inside the cell that supports the cell's organelles.
Vacuole The organelle that stores water and waste. It is much larger in a plant cell as it also provides support to the plant when it is full.
Plant A major classification of Kingdoms. A multi-celled (multicellular)organism that can makes its own food through the process of photsynthesis.
Animal A major classification of Kingdoms. A multi-celled (multicellular) organism that can move on its own. Animals consume other organisms. Animals are the most complex of the kingdoms.
Vascular Plant A plant that has internal tubes to transport water up and food down. Roots, stems, and leaves are present.
Nonvascular Plant A plant that has no internal tubes so it must absorb water from its environment.
Vertebrate An animal with a backbone.
Invertebrate An animal without a backbone.
physical adaptation some type of change made to a part of the body to allow the organism to survive in its environment
behavioral adaptation a behavior in response to its environment to allow the organism to survive
decomposer an organism that feeds off of dead or decaying material
consumer organisms that get their energy from other organisms. Consumers take in food from outside of themselves.
producer an organism that makes its own food
omnivore an animal that eats food from both plants and animals
carnivore an animal that gets food by eating other animals
herbivore an animal that gets food from eating plants
dependent variable what may change as a result of the independent variable
independent variable what the experimenter changes for an expected result
Created by: klennartz